1<?php 2/** 3 * Initialize some defaults needed for DokuWiki 4 */ 5 6 // define the include path 7 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/'); 8 9 // set up error reporting to sane values 10 error_reporting(E_ALL ^ E_NOTICE); 11 12 //prepare config array() 13 global $conf; 14 $conf = array(); 15 16 // load the config file(s) 17 require_once(DOKU_INC.'conf/dokuwiki.php'); 18 @include_once(DOKU_INC.'conf/local.php'); 19 20 //prepare language array 21 global $lang; 22 $lang = array(); 23 24 //load the language files 25 require_once(DOKU_INC.'inc/lang/en/lang.php'); 26 require_once(DOKU_INC.'inc/lang/'.$conf['lang'].'/lang.php'); 27 28 // define baseURL 29 if(!defined('DOKU_BASE')) define('DOKU_BASE',getBaseURL()); 30 if(!defined('DOKU_URL')) define('DOKU_URL',getBaseURL(true)); 31 32 // define Plugin dir 33 if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/'); 34 35 // define main script 36 if(!defined('DOKU_SCRIPT')) define('DOKU_SCRIPT','doku.php'); 37 38 // define Template baseURL 39 if(!defined('DOKU_TPL')) define('DOKU_TPL', 40 DOKU_BASE.'lib/tpl/'.$conf['template'].'/'); 41 42 // make session rewrites XHTML compliant 43 @ini_set('arg_separator.output', '&'); 44 45 // init session 46 session_name("DokuWiki"); 47 if (!headers_sent()) session_start(); 48 49 // kill magic quotes 50 if (get_magic_quotes_gpc()) { 51 if (!empty($_GET)) remove_magic_quotes($_GET); 52 if (!empty($_POST)) remove_magic_quotes($_POST); 53 if (!empty($_COOKIE)) remove_magic_quotes($_COOKIE); 54 if (!empty($_REQUEST)) remove_magic_quotes($_REQUEST); 55 if (!empty($_SESSION)) remove_magic_quotes($_SESSION); 56 @ini_set('magic_quotes_gpc', 0); 57 } 58 @set_magic_quotes_runtime(0); 59 @ini_set('magic_quotes_sybase',0); 60 61 // disable gzip if not available 62 if($conf['usegzip'] && !function_exists('gzopen')){ 63 $conf['usegzip'] = 0; 64 } 65 66 // remember original umask 67 $conf['oldumask'] = umask(); 68 69 // make absolute mediaweb 70 if(!preg_match('#^(https?://|/)#i',$conf['mediaweb'])){ 71 $conf['mediaweb'] = getBaseURL().$conf['mediaweb']; 72 } 73 74 // make real paths and check them 75 $conf['datadir'] = init_path($conf['datadir']); 76 if(!$conf['datadir']) die('Wrong datadir! Check config!'); 77 $conf['olddir'] = init_path($conf['olddir']); 78 if(!$conf['olddir']) die('Wrong olddir! Check config!'); 79 $conf['mediadir'] = init_path($conf['mediadir']); 80 if(!$conf['mediadir']) die('Wrong mediadir! Check config!'); 81 82 // automatic upgrade to script versions of certain files 83 scriptify(DOKU_INC.'conf/users.auth'); 84 scriptify(DOKU_INC.'conf/acl.auth'); 85 86 87/** 88 * returns absolute path 89 * 90 * This tries the given past first, then checks in DOKU_INC 91 */ 92function init_path($path){ 93 $p = realpath($path); 94 if($p) return $p; 95 $p = realpath(DOKU_INC.$path); 96 return $p; 97} 98 99/** 100 * remove magic quotes recursivly 101 * 102 * @author Andreas Gohr <andi@splitbrain.org> 103 */ 104function remove_magic_quotes(&$array) { 105 foreach (array_keys($array) as $key) { 106 if (is_array($array[$key])) { 107 remove_magic_quotes($array[$key]); 108 }else { 109 $array[$key] = stripslashes($array[$key]); 110 } 111 } 112} 113 114/** 115 * Returns the full absolute URL to the directory where 116 * DokuWiki is installed in (includes a trailing slash) 117 * 118 * @author Andreas Gohr <andi@splitbrain.org> 119 */ 120function getBaseURL($abs=false){ 121 global $conf; 122 //if canonical url enabled always return absolute 123 if($conf['canonical']) $abs = true; 124 125 if($conf['basedir']){ 126 $dir = $conf['basedir'].'/'; 127 }elseif($_SERVER['SCRIPT_NAME']){ 128 $dir = dirname($_SERVER['SCRIPT_NAME']).'/'; 129 }elseif($_SERVER['DOCUMENT_ROOT'] && $_SERVER['SCRIPT_FILENAME']){ 130 $dir = preg_replace ('/^'.preg_quote($_SERVER['DOCUMENT_ROOT'],'/').'/','', 131 $_SERVER['SCRIPT_FILENAME']); 132 $dir = dirname('/'.$dir).'/'; 133 }else{ 134 $dir = dirname($_SERVER['PHP_SELF']).'/'; 135 } 136 137 $dir = str_replace('\\','/',$dir); #bugfix for weird WIN behaviour 138 $dir = preg_replace('#//+#','/',$dir); 139 140 //handle script in lib/exe dir 141 $dir = preg_replace('!lib/exe/$!','',$dir); 142 143 //finish here for relative URLs 144 if(!$abs) return $dir; 145 146 $port = ':'.$_SERVER['SERVER_PORT']; 147 //remove port from hostheader as sent by IE 148 $host = preg_replace('/:.*$/','',$_SERVER['HTTP_HOST']); 149 150 // see if HTTPS is enabled - apache leaves this empty when not available, 151 // IIS sets it to 'off', 'false' and 'disabled' are just guessing 152 if (preg_match('/^(|off|false|disabled)$/i',$_SERVER['HTTPS'])){ 153 $proto = 'http://'; 154 if ($_SERVER['SERVER_PORT'] == '80') { 155 $port=''; 156 } 157 }else{ 158 $proto = 'https://'; 159 if ($_SERVER['SERVER_PORT'] == '443') { 160 $port=''; 161 } 162 } 163 164 return $proto.$host.$port.$dir; 165} 166 167/** 168 * Append a PHP extension to a given file and adds an exit call 169 * 170 * This is used to migrate some old configfiles. An added PHP extension 171 * ensures the contents are not shown to webusers even if .htaccess files 172 * do not work 173 * 174 * @author Jan Decaluwe <jan@jandecaluwe.com> 175 */ 176function scriptify($file) { 177 // checks 178 if (!is_readable($file)) { 179 return; 180 } 181 $fn = $file.'.php'; 182 if (@file_exists($fn)) { 183 return; 184 } 185 $fh = fopen($fn, 'w'); 186 if (!$fh) { 187 die($fn.' is not writable!'); 188 } 189 // write php exit hack first 190 fwrite($fh, "# $fn\n"); 191 fwrite($fh, '# <?php exit()?>'."\n"); 192 fwrite($fh, "# Don't modify the lines above\n"); 193 fwrite($fh, "#\n"); 194 // copy existing lines 195 $lines = file($file); 196 foreach ($lines as $line){ 197 fwrite($fh, $line); 198 } 199 fclose($fh); 200 //try to rename the old file 201 @rename($file,"$file.old"); 202} 203 204 205//Setup VIM: ex: et ts=2 enc=utf-8 : 206